1899 Spanish -American War Dewey Patriotic

1899 AUGUST 6: SAN FERNANDO to PENNSYLVANIA

Mil. Sta. San Fernando, / PHIL ISL'DS. purple postmark.

Properly endorsed by a military officer to enjoy the special 2c military rate
to the U.S. Postmark type used from July 15, 1899  to September 24, 1899.

To date it caanot be established on when exactly this postal station was opened.